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A dimeric hydrolysable tannin from Camellia oleifera
T Yoshida1, T Nakazawa, T Hatano
1Faculty of Pharmaceutical Sciences, Okayama University, Japan.
Phytochemistry
|September 1, 1994
Summary
A new dimeric ellagitannin, camellioferin A, was discovered in Camellia oleifera. This finding expands the known diversity of ellagitannins and provides new compounds for research.
Area of Science:
- Phytochemistry
- Natural Product Chemistry
Background:
- Camellia oleifera is a plant source of various bioactive compounds.
- Ellagitannins are a class of polyphenols with diverse biological activities.
Purpose of the Study:
- To isolate and characterize new ellagitannins from Camellia oleifera.
- To identify known ellagitannins for comparative analysis.
Main Methods:
- Isolation of compounds using chromatographic techniques.
- Structure elucidation of the new ellagitannin via spectroscopic methods (NMR, MS).
Main Results:
- Camellioferin A, a novel dimeric ellagitannin, was successfully isolated.
- Thirteen known tannins, including camellins A and B, were identified alongside camellioferin A.
Conclusions:
- The study successfully identified a new ellagitannin, camellioferin A, from Camellia oleifera.
- The structural elucidation of camellioferin A contributes to the understanding of ellagitannin chemistry.